Big12 8_30_10 - Big 12 Questions and Answers- August 30,...

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Big 12 Questions and Answers- August 30, 2010 Why would the fainting allele be beneficial? Is it a mutation that arose and is able to propagate because of domestication? It is not particularly beneficial but is not detrimental in domestication. It is a mutation that arose and people keep it going as a curiosity. The book mentioned introns in chapter 2. What are the functions of introns and their counterparts? Introns are pieces of genes in eukaryotes that do not encode protein. They are spliced out of the messenger RNA before translation. The exons are the parts of the messenger RNA that encode the protein. We will come back to them later in the semester. If both parents have straight hair and one grandparent from one side has curly hair, how is it possible that the grandchild would end up with curly hair when there is only one gene for it? Both parents are heterozygous. We know for certain that one parent is heterozygous. The other parent could also be heterozygous for a recessive allele even though both parents
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Big12 8_30_10 - Big 12 Questions and Answers- August 30,...

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